Perkins — Turbocharger - Inspect (If Equipped)
Testing & diagnosis
From a Perkins service manual covering: 402D-05, 403D-07, 403D-11, 403D-15, 404D-22, 404D-22T, 404D-22TA. Check it applies to your exact model before use.
Applies to: Perkins 402D-05, Perkins 403D-07, Perkins 403D-11, Perkins 403D-15, Perkins 404D-22, Perkins 404D-22T, Perkins 404D-22TA
Before you start
- The compressor housing for the turbocharger must not be removed from the turbocharger for cleaning.
- The actuator linkage is connected to the compressor housing. If the actuator linkage is moved or disturbed the engine may not comply with emissions legislation.
Procedure
- Remove the pipe from the turbocharger exhaust outlet and remove the air intake pipe.
- Visually inspect the piping for oil. Clean the interior of the pipes to prevent dirt entry.
- Check for oil. Oil leaking from the back side of the compressor wheel may indicate a failed oil seal.
- Inspect the bore of the turbine outlet housing for corrosion.
- Fasten the air intake pipe and the exhaust outlet pipe to the turbocharger housing.
Full service-parts list: Perkins 402D-05 →, Perkins 403D-07 →, Perkins 403D-11 →, Perkins 403D-15 →, Perkins 404D-22 →, Perkins 404D-22T →, Perkins 404D-22TA →
Source: Perkins service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.